Add 45/72 and 9/16
45/72 + 9/16 is 19/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
45/72 = 45 × 2/72 × 2 = 90/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
9/16 = 9 × 9/16 × 9 = 81/144 - Add the two like fractions:
90/144 + 81/144 = 90 + 81/144 = 171/144 - 171/144 simplified gives 19/16
- So, 45/72 + 9/16 = 19/16
In mixed form: 13/16
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